Pill Identification by Imprints: M C3 Home Pill Identification by Imprints: M C3 2 results CAPTOPRIL 50 MG TABLET Side 1: M C3 Color: White Side 2: Shape: Round CAPTOPRIL 50 MG TABLET Side 1: M C3 Color: White Side 2: Shape: Round Other Popular Drug Imprint YS 03 C1 UT 0.25 93 657 L357 M 544 L462 CM 10 or 20 I 51 M 445 CL 40 AMOXIL 875 OS 303 978 E 71 D1 RD 73 L 2 Z 12 AN 441 PD 527 DAYPRO G 3742 TUMS R333 B1 S 4 151 ZC45 SANDOZ 625 AI M RE6 54 331 SIDEROL 334 MINIPRESS WPI 3631 Lilly 3228 M122